Home / 71,176.04-98,221.47-39,344.21

Finding the Fourth Proportional to 71,176.04, 98,221.47 and 39,344.21

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Solution

The fourth proportional to 71,176.04, 98,221.47 and 39,344.21 is: 54,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,176.04 : 98,221.47 = 39,344.21 : x
  2. Step 2: Convert to fraction form
    71,176.04/98,221.47 = 39,344.21/x
  3. Step 3: Cross multiply
    71,176.04x = 98,221.47 × 39,344.21
  4. Step 4: Simplify right side
    71,176.04x = 3,864,446,142.19
  5. Step 5: Solve for x
    x = 3,864,446,142.19/71,176.04
  6. Step 6: Final answer
    x = 54,294.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.